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Does intense gym exercise affect male fertility?

By Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist).
Last Update: 04/15/2026

Silvia Azaña, an embryologist at inviTRA, talks about whether intense exercise at the gym affects male fertility:

Practicing sport in the gym could affect male fertility if it is done very intensely for a very long time or very frequently, leading to overtraining in the same way that would happen with triathletes or competitive athletes.

The recommendation is to perform moderate exercise for about 30 minutes daily. Take care of other habits, such as eating a healthy diet, and avoid alcohol, tobacco, and drugs.

 Silvia Azaña Gutiérrez
Silvia Azaña Gutiérrez
B.Sc., M.Sc.
Embryologist
Graduate in Health Biology from the University of Alcalá and specialized in Clinical Genetics from the same university. Master in Assisted Reproduction by the University of Valencia in collaboration with IVI clinics.
License: 3435-CV
Embryologist. Graduate in Health Biology from the University of Alcalá and specialized in Clinical Genetics from the same university. Master in Assisted Reproduction by the University of Valencia in collaboration with IVI clinics. License: 3435-CV.